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Done Sir Done (.300BLK)

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Old 07-02-2012, 05:58 PM   #11
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Very nice rifle, broke! Actually I like the FDE MOEs, matches your other furniture nicely. Thumbs up in every way. I'm tempted to go with a Blackout upper but have to say the cost of ammo scares me.
The biggest issue with assembling an AR isn't so much getting the parts together right - it's getting the right parts together.
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Old 07-02-2012, 07:32 PM   #12
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Originally Posted by broke-again124 View Post
Oh she's been fired. 150 rnds though. What is this reliability testing you speak of? Sounds intriguing.
Shoot as many different kinds of ammo, for at least 500 rounds make sure you baby is reliable! Its the funnest part of the build!!! I'd definately run a couple hundred rounds of subsonics to make sure it cycles properly.
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Old 07-03-2012, 04:32 AM   #13
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You fellers are a scaren me. Well, not really.

I have a .300 BlackOut and I don't find the cost to load all that much more than a .223/5.56.

I am a pack rat and have been for more years than I want to say. I dug through all of my old dead brass and pulled out all of the .223/5.56 stuff with split mouths and crushed necks and the like. Checked the heads and bodies over, tossing back the undesirables. Chopped them off with a saw, sized them and trimmed to length. I have brass, same price as what it is .223/5.56 stuff. See below.

Primers are the same.

Bullets are not the same. But, being a tightwad, I don't go crazy. I've loaded 220 grainer, (see below) 150 (147) grain GI pulls, 150 grain nice bullets (to hunt with), some expensive 125 grain OTMs and a lot of 110 grain V-Maxs. Compared to .224 bullets, the 30 cals are a little more. Sorry, haven't found any of the other bullets.

Powder... Different powders and amounts for both. From 16.2gr to 20.0gr of H110 (147gr to 110gr bullets) compared to my normal loadings of 25.5gr to 26.6gr of 748 for 50gr and 55gr .224 bullets.

So the only big change is the price of the bullets. Powder is actually less cost per load.

Course, I load all of my own and if my desire is to just go bang a lot, well a .22RF does that and I don't.

The 220gr slugs (right photo) went into an old cedar log and I was able to dig them out.

I like the .300 BlackOut. It doesn't replace my 308/7.62 or .223/5.56. They all have a place and fill them well. 10 10
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